发明公开
EP0349488A1 Process for preparing dithiobisphenols
失效
Verfahren zur Herstellung von Dithiobis phenolen。
- 专利标题: Process for preparing dithiobisphenols
- 专利标题(中): Verfahren zur Herstellung von Dithiobis phenolen。
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申请号: EP89810478.1申请日: 1989-06-20
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公开(公告)号: EP0349488A1公开(公告)日: 1990-01-03
- 发明人: Benjamin, Linda A. , Pastor, Stephen D. , Luzzi, John J.
- 申请人: CIBA-GEIGY AG
- 申请人地址: Klybeckstrasse 141 4002 Basel CH
- 专利权人: CIBA-GEIGY AG
- 当前专利权人: CIBA-GEIGY AG
- 当前专利权人地址: Klybeckstrasse 141 4002 Basel CH
- 优先权: US212852 19880629
- 主分类号: C07C323/20
- IPC分类号: C07C323/20 ; C07C319/14
摘要:
An improved process for preparing dithiobisphenols wherein the appropriate phenol is reacted with sulfur monochloride in the presence of substantially molar amounts of an aliphatic or heterocyclic amine.
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